Christoph Hellwig 9d7a224b46 dma-direct: always allow dma mask <= physiscal memory size
This way an architecture with less than 4G of RAM can support dma_mask
smaller than 32-bit without a ZONE_DMA.  Apparently that is a common
case on powerpc.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
2018-10-01 07:31:25 -07:00
..
2018-07-25 13:33:05 +02:00